X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_Line.cpp;h=8f8df83040257ecee86f031dfbde797eabb7c462;hb=5e79a0b847d0a3e650703ebf112beefbfda4e153;hp=ee98b3724008d796b41ef343b869f095b54f229b;hpb=29dc792755900920f8d355a87dd0c31fd26bfe50;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_Line.cpp b/src/SketchPlugin/SketchPlugin_Line.cpp
index ee98b3724..8f8df8304 100644
--- a/src/SketchPlugin/SketchPlugin_Line.cpp
+++ b/src/SketchPlugin/SketchPlugin_Line.cpp
@@ -42,14 +42,16 @@ const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Line::preview()
     // compute a start point in 3D view
     boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr = 
       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_START));
-    boost::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
     // compute an end point in 3D view
     boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr = 
       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_END));
-    boost::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
-    // make linear edge
-    boost::shared_ptr<GeomAPI_Shape> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
-    setPreview(anEdge);
+    if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
+      boost::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
+      boost::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+      // make linear edge
+      boost::shared_ptr<GeomAPI_Shape> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
+      setPreview(anEdge);
+    }
   }
   return getPreview();
 }